Nihon Ad Systems, Inc. (株式会社日本アドシステムズ, Kabushiki-gaisha Nihon Ado Shisutemuzu), NAS for short, is a Japanese anime production and character merchandising company, a wholly owned subsidiary of the advertising agency Asatsu-DK. The "Ad" in its title is an abbreviation for "Animation Development".^[1][2] Along with Sony Pictures Entertainment Japan, Bandai Namco Filmworks, Toei Animation and TMS Entertainment, it is a co-founder and shareholder of the Japanese anime television network Animax.^[3][4] It has its headquarters in Toranomon Hills, Minato, Tokyo.